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Are kidney stones related to nut consumption?

Several years ago I had surgery to remove a large kidney stone.  The doctor told me it was due to eating too many nuts (I ate a large amount).  Is it safe to eat nuts if you have a history of kidney stones? 

1 Answer
3 years ago

Dietitian's Answer

Most kidney stones are the calcium oxalate variety and nuts do contain oxalates so there could be a link. Here's some good info from Harvard... While the easiest way to help prevent kidney stones would be to avoid or greatly reduce the consumption of foods high in oxalic acid, you don't want to miss out on all the other nutrients packed in those foods. While it isn't 100% full proof, some suggestions to help minimize the potential for stones include: drink plenty of water (fluid) each day 8-13 cups a day - especially before a high oxalic acid meal, avoid calcium supplements (unless a Dr. advised you to) but keep eating calcium-rich foods, keep salt and animal proteins low, cook your leafy greens (also adding calcium carbonate to your greens while cooking removes even more oxalate - 1 tsp of powder per pot of water). In addition, you can choose to Blast healthy foods that are low in oxalates. LOW OXALATE FOODS Fruits: Apples, avocados, banana, cherries, cranberries, melons (cantaloupe, honeydew, watermelon), seedless grapes (red and green), peaches, pear, plums. Vegetables: Asparagus, broccoli, cabbage, cauliflower, cucumbers; iceberg and Romaine lettuce; radishes, mushrooms, onions (yellow and white); squash (zucchini, acorn, and yellow); red sweet peppers, turnips (root), water chestnuts. Beverages: Spring and filtered water, chamomille tea, ginger ale, beer, apple juice, apple cider. Grains: White and wild rice; barley. Herbs and Spices: Basil, cilantro, mustard, nutmeg, white pepper, saffron, tarragon, vanilla, salt. Peas and Seeds: Coconut; black-eyed peas, green peas, and yellow split peas; flax seeds.

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